but also it gives us energy. we have hydropower from our water source, a lot of city, if not all of the city is powered, sfmta, possibly the city buildings is powered by the hetch hetchy and i don't want to give that up either. >> thank you. i will remind the candidates that if at any point they wish to jump in on a question they may do so using a time card. the next question is for miss breed, mr. johnson and miss selby. please explain whether you think sit/lie is working to address public safety as intended across the city and how you would reform it, if indeed you would reform it? miss breed? >> i did vote yes on sit/lie. i had a number of issues in the upper haight that were just really unfortunate situations and i thought there needed to be some sort of solution to the problem. unfortunately it hasn't worked. we still have some real problems in the haight and we need to make sure that the social service agencies that deal with mental health abuse issues, that deal with drug treatment issues, those particular